SINGH, M P; SINGH, K P. Weed behaviour in rainy-season onion (Allium cepa) as influenced by various weed-free and weedy treatments. The Indian Journal of Agricultural Sciences, Delhi, India, v. 64, n. 10, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29482. Acesso em: 29 oct. 2025.